:root{--bg: #0f1115;--panel: #171a21;--panel-2: #1e222c;--border: #2a2f3a;--text: #e6e8ec;--muted: #8b93a1;--accent: #4f9cf9;--accent-2: #07c160;--danger: #e0556a;--radius: 10px}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,Roboto,sans-serif;background:var(--bg);color:var(--text);font-size:14px;-webkit-tap-highlight-color:transparent}button{background:var(--accent);color:#fff;border:none;border-radius:8px;padding:6px 14px;cursor:pointer;font-size:13px;touch-action:manipulation}button:hover{filter:brightness(1.08)}button:disabled{opacity:.5;cursor:not-allowed}button.ghost{background:var(--panel-2);color:var(--text);border:1px solid var(--border)}button.danger{background:var(--danger)}input,select,textarea{background:var(--panel-2);color:var(--text);border:1px solid var(--border);border-radius:8px;padding:7px 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var(--border);border-radius:var(--radius);padding:28px 24px;width:320px;display:flex;flex-direction:column;gap:10px;align-items:center;text-align:center}.auth-logo{font-size:34px}.auth-card h2{margin:0}.auth-card input,.auth-card button{width:100%}@media (max-width: 760px){.topbar{padding:8px 12px}.topbar .title,.topbar-actions .ghost{display:none}.body{flex-direction:column}.sidebar{width:100%;border-right:none;border-bottom:1px solid var(--border)}.sidebar-tabs,.mobile-hide{display:none}.main{flex:1;min-height:0}.mobile-tabs{display:flex;background:var(--panel);border-top:1px solid var(--border)}.mobile-tabs button{flex:1;background:transparent;color:var(--muted);border-radius:0;padding:10px 0;font-size:13px;border-bottom:2px solid transparent;touch-action:manipulation}.mobile-tabs button.active{color:var(--text);border-bottom-color:var(--accent)}.chat-back{display:inline-flex;align-items:center;justify-content:center;background:transparent;color:var(--text);border:none;font-size:28px;line-height:1;padding:0 8px 0 0;cursor:pointer;min-width:28px;touch-action:manipulation}.chat-head{padding:8px 12px}.chat-head-config{flex-wrap:wrap}.alias-input{width:100%}.messages{padding:12px;gap:8px}.msg{max-width:88%}.msg-image{max-width:200px}.msg-video{max-width:220px}.msg-channel{min-width:0;max-width:100%}.composer{padding:8px 12px}input,select,textarea{font-size:16px}.switch input{width:18px;height:18px}.skills,.settings,.follow{padding:16px}.skills-list{grid-template-columns:1fr}.follow-stats{grid-template-columns:repeat(auto-fill,minmax(110px,1fr))}.follow-row{flex-wrap:wrap}.follow-row-toggles{width:100%;justify-content:flex-end}}